Inorganic Phototropism in Electrodeposition of Se-Te

Madeline C. Meier, Wen Hui Cheng, Harry A. Atwater, Nathan S. Lewis, Azhar I. Carim

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)


Photoelectrochemical deposition of Se-Te on isolated Au islands using an unstructured, incoherent beam of light produces growth of Se-Te alloy toward the direction of the incident light beam. Full-wave electromagnetic simulations of light absorption indicated that the induced spatial growth anisotropy was a function of asymmetric absorption in the evolving deposit. Inorganic phototropic growth is analogous to biological systems such as palm trees that exhibit phototropic growth wherein physical extension of the plant guides the crown toward the time-averaged position of the sun, to maximize solar harvesting.

Original languageEnglish
Pages (from-to)18658-18661
Number of pages4
JournalJournal of the American Chemical Society
Issue number47
Publication statusPublished - Nov 27 2019

ASJC Scopus subject areas

  • Catalysis
  • Chemistry(all)
  • Biochemistry
  • Colloid and Surface Chemistry

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